【正文】 I 摘 要 對雙軸直線振動篩 進行分析 ，從整體布局到個別零件的選用都進行了設(shè)計，包括篩箱，篩面的設(shè)計和固定，激振器的形狀，支撐方案等等，還包括軸、偏心塊等零件的設(shè)計。采用雙電機帶動使得兩個軸上的偏心塊同步，另一方面采用了座式結(jié)構(gòu)，淘汰了以往懸掛式的方式，使得結(jié)構(gòu)更加安全，占地面積更小。 本產(chǎn)品為生產(chǎn)能力為 ，對于篩框的材料有比較高的要求，現(xiàn)采用高強度和高沖擊韌性的鋼材，不僅僅提高了篩框的耐用度，還減輕了整個結(jié)構(gòu)的重量，對彈簧的選則等許多方面也帶來了很多的方便。 設(shè)計中 還包括對連接和固定 件的選用，采用十字軸聯(lián)軸器和輪胎聯(lián)軸器 。 并用螺栓連接代替焊接，減小了焊接時應(yīng)力對它的影響。 關(guān)鍵詞 ：振動篩 ； 激振器 ； 偏心塊 ； 橫梁 II Abstract This article is carried out mainly according to the design of the two axle vibrating separators of straight line, from overall layout go to individual element c hoose to go on improving , include sifting the design of case and pass screen surface and the regular shape of vibrator , support the design of scheme and so on , still include the design of the elements such as axle and partial piece. Drive with double generator, positive drive makes two partial pieces synchronous , has adopted on the other hand to use type structure, have superseded the way of former overhead suspension, make structure more safe, it is less to cover an area of area. This design product has higher requirement, for the material of screen frame for productivity is the large scale vibrating separator of 80 t/h, has now not only raised the durability of screen frame with the highstrength and high steel material of impact tenacity, have still alleviated the weight of entire structure, for spring choose to have also brought many conveniences. In design still include for connection and regular choosing, with the durable shaft coupling of cross axle, replace welding with bolt connection, it is little to reduce welding stress for it39。s influence. Keyword: Vibrating separator。 vibrator。 partial piece。 beam III 目 錄 摘 要 ............................................................ I Abstract .......................................................... II 第 1 章 緒論 ..................................................... 1 課題研究背景及意義 ....................................... 1 振動篩在國內(nèi)外的發(fā)展現(xiàn)狀 ................................. 2 振動篩的工作原理、分類及特點 ............................. 4 振動篩的工作原理 .................................... 4 直線振動篩的工作原理 ................................ 6 第 2 章 總體方案的設(shè)計 ........................................... 6 振動篩方案的列舉 ......................................... 6 方案分析 ................................................. 6 方案確定 ................................................. 7 振動篩各部分實現(xiàn)形式 ..................................... 7 篩箱 ................................................ 7 篩面 ................................................ 9 激振器 ............................................. 12 支撐形式與隔振裝置 ................................. 13 第 3 章 雙軸直線振動篩的參數(shù)計算 ................................ 14 振動篩上物料的運動分析和工藝參數(shù)的選擇 ................. 14 直線振動面上的物料運動分析 ......................... 14 工藝參數(shù)的選擇 ..................................... 18 總體設(shè)計計算步驟 ........................................ 20 計算振動篩篩面面積 ................................. 20 振動次數(shù)的計算 ..................................... 20 物料運動速度的計算 ................................. 20 驗算生產(chǎn)率 ......................................... 21 估算振動篩的重量 ................................... 21 激振器偏心塊的質(zhì)量及其偏心距的確定 ................ 21 隔振彈簧剛度的確定 ................................. 22 電動機的選擇 ....................................... 22 橡膠彈簧的設(shè)計 .......................................... 23 第 4 章 激振器的設(shè)計 ............................................ 26 軸的計算與設(shè)計 .......................................... 26 初步估算軸的最小直徑 ............................... 26 軸的各段長度的直徑設(shè)計 ............................. 26 對軸的 強度校核 ..................................... 27 軸承的計算與選擇 ........................................ 29 密封件的設(shè)計計算 ........................................ 30 IV 偏心塊的設(shè)計與計算 ...................................... 30 聯(lián)軸器的設(shè)計 ............................................ 31 聯(lián)軸器的類型選擇 ................................... 31 規(guī)格的選擇與計算 ................................... 31 鍵的選擇 ................................................ 32 軸與偏心塊連接處鍵的選擇 與校核 .................... 32 軸與聯(lián)軸器的連接處鍵的選擇 與校核 .................. 32 第 5 章 篩箱的結(jié)構(gòu)設(shè)計 .......................................... 33 篩箱的結(jié)構(gòu) .............................................. 33 螺栓的強度校核 .......................................... 34 篩框橫梁校核 ............................................ 34 橫梁受力分析 ....................................... 35 橫梁強度計算 ....................................... 35 橫梁固有頻率的驗算 ................................. 36 結(jié) 論 .......................................................... 36 致 謝 .......................................................... 37 參考文獻 ........................................................ 38 V CONTENTS Abstract …………………………………………………………………… …… I Chapter 1 Introduction … … ……………………………………… ……… 1 Background and significance of the research ……………… …… … ...1 Shaker current development at home and abroad …………… …… … 3 Shaker works, classification and characteristics ……………… …… ..5 Shaker works ……………………………………………… …… ..5 The working principle of linear vibrating screen ……… ……… ..6 Chapter 2 The overall program design …………………………………… ..8 Shaker program list ………………………………………………… … 8 Project Analysis …………… ……………………………………… .8 Program to determine… ……………………………………………… 8 Realization of the various parts of shaker …………………………… 8 Screen Box …………………………… ………………………… ..8 Screensurface……………………………… …………………… 11 Exciter …………………………………… …………………… ..14 Support form and isolation devices ……………… …………… ..15 Chapter 3 Dualaxis linear vibrating screen parameter alculation …… 18 Shaker on the movement of materials and process selection … …… .